Cita APA (7th ed.)

Barzun, J. (1957). The modern researcher. Harcourt, Brace & World.

Cita Chicago (17th ed.)

Barzun, Jacques.-. The Modern Researcher. New York: Harcourt, Brace & World, 1957.

Cita MLA (9th ed.)

Barzun, Jacques.-. The Modern Researcher. Harcourt, Brace & World, 1957.